Ordering sets of 3-digit numbers
Lesson details
Learning outcome
I can order a set of 3-digit numbers.
Key learning points
- If the 100s digits are different, the numbers can be compared or ordered by looking at the 100s digit.
- If the 100s digits are the same, the numbers can be compared or ordered by looking at the 10s digit.
- If the 100s and 10s digits are the same, the numbers can be compared or ordered by looking at the 1s digit.
Keywords
Compare - You compare to find out what is the same and what is different. You compare numbers to find out if one is more than or less than another.
Order - You can order numbers from the smallest to the largest or from the largest to the smallest.
Common misconception
Pupils may look at all the digits at once when ordering numbers and this may lead to mistakes.
When ordering 3-digit numbers, encourage pupils to compare the 100s digits first and then the 10s digits (and the 1s) afterwards.
Teacher tip
Number cards (from 0-9) will be useful for pupils in this lesson. They also need to be familiar with the 'less than' and 'greater than' symbols as these are used throughout the lesson.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.Which number is larger: 289 or 298?
Q2.Order these numbers, starting with the smallest.
Q3.Which of the numbers below could be used to make this inequality correct?
Q4.Which of the numbers below could be used to make this inequality correct?
Q5.Use the number cards to make a number greater than 951
Q6.Which number is greater than 491 and less than 507?
Assessment exit quiz
6 Questions
Q1.Match the symbol to their meaning.
Q2.Order these numbers, starting with the smallest.
Q3.Which number could be used to make this correct?
Q4.Which number is greater than 567 and less than 580?
Q5.Rearrange the number cards to make this correct.
Q6.One of the numbers in the inequality below has a missing digit. Which digit could you use to make the statement correct?
To help you plan your 3 maths lesson on: Ordering sets of 3-digit numbers, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your 3 maths lesson on: Ordering sets of 3-digit numbers, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
Our video is a tool for planning, showing how other teachers might teach the lesson, offering helpful tips, modelled explanations and inspiration for your own delivery in the classroom. Plus, you can set it as homework or revision for pupils and keep their learning on track by sharing an online pupil version of this lesson.
Explore more key stage 2 maths lessons from the Representing 3-digit numbers, comparing and positioning on number lines unit, dive into the full primary maths curriculum, or learn more about lesson planning.